171800860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{15937}}^1$

素因数の和:15971

約数の個数: 72

約数和(自身を含む): 457866864

約数和(自身を除く): 286066004

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 15937, 31874, 63748, 79685, 111559, 159370, 175307, 223118, 318740, 350614, 446236, 557795, 701228, 780913, 876535, 1115590, 1227149, 1561826, 1753070, 2231180, 2454298, 3123652, 3506140, 3904565, 4908596, 6135745, 7809130, 8590043, 12271490, 15618260, 17180086, 24542980, 34360172, 42950215, 85900430, 171800860]

約数ペア:

[(1, 171800860), (2, 85900430), (4, 42950215), (5, 34360172), (7, 24542980), (10, 17180086), (11, 15618260), (14, 12271490), (20, 8590043), (22, 7809130), (28, 6135745), (35, 4908596), (44, 3904565), (49, 3506140), (55, 3123652), (70, 2454298), (77, 2231180), (98, 1753070), (110, 1561826), (140, 1227149), (154, 1115590), (196, 876535), (220, 780913), (245, 701228), (308, 557795), (385, 446236), (490, 350614), (539, 318740), (770, 223118), (980, 175307), (1078, 159370), (1540, 111559), (2156, 79685), (2695, 63748), (5390, 31874), (10780, 15937)]